BMS family
BMS_f026_SW_Ctrs_Disabled
Unable to start vehicle
What does the BMS_f026_SW_Ctrs_Disabled alert mean?
The battery management system (BMS) detects that pack contactors have been disabled.
What you'll see in your Tesla
- Unable to start vehicle
- Service is required
What triggers it
The BMS detects a condition that requires the contactors to stay open until they are serviced.
When it clears
This alert must be cleared using Toolbox 3.
Potential impact
Inability to charge, drive, or support the low voltage (LV) system
Affected models
Model S 2012-2020
Model X 2015-2020
Track your Tesla's alerts automatically
Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.